NASCAR driver Kurt Busch goes off, parts ways with sponsor

Jeff Zelevansky / Getty Images for NASCAR

NASCAR driver Kurt Busch ended his relationship with the Penske Racing team after he was fined $50,000 for an off-track incident. During the Sprint Cup series finale at Homestead-Miami Speedway, Busch was caught on video using an obscene gesture and launching into a profanity-laced tirade toward ESPN reporter Dr. Jerry Punch. The incident was posted on YouTube.

NASCAR driver Kurt Busch ended his relationship with the Penske Racing team after he was fined $50,000 for an off-track incident. During the Sprint Cup series finale at Homestead-Miami Speedway, Busch was caught on video using an obscene gesture and launching into a profanity-laced tirade toward ESPN reporter Dr. Jerry Punch. The incident was posted on YouTube. (Jeff Zelevansky / Getty Images for NASCAR)

NASCAR driver Kurt Busch ended his relationship with the Penske Racing team after he was fined $50,000 for an off-track incident. During the Sprint Cup series finale at Homestead-Miami Speedway, Busch was caught on video using an obscene gesture and launching into a profanity-laced tirade toward ESPN reporter Dr. Jerry Punch. The incident was posted on YouTube.